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Finding the Fourth Proportional to 47,858.28, 71,740.78 and 26,808.42

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Solution

The fourth proportional to 47,858.28, 71,740.78 and 26,808.42 is: 40,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,858.28 : 71,740.78 = 26,808.42 : x
  2. Step 2: Convert to fraction form
    47,858.28/71,740.78 = 26,808.42/x
  3. Step 3: Cross multiply
    47,858.28x = 71,740.78 × 26,808.42
  4. Step 4: Simplify right side
    47,858.28x = 1,923,256,961.37
  5. Step 5: Solve for x
    x = 1,923,256,961.37/47,858.28
  6. Step 6: Final answer
    x = 40,186.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.